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- #ifndef _ASM_X86_IOMMU_H
- #define _ASM_X86_IOMMU_H
- extern struct dma_map_ops nommu_dma_ops;
- extern int force_iommu, no_iommu;
- extern int iommu_detected;
- extern int iommu_pass_through;
- extern int iommu_group_mf;
- /* 10 seconds */
- #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
- #endif /* _ASM_X86_IOMMU_H */
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